National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

LYONS VALLEY (COWC1)

Lat: 39.12583°NLon: 123.07333°WElev: 3355.0ft.

NA

N/A

Humidity 99%
Wind Speed ESE 13 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update 21 Feb 04:01 AM PST
Extended Forecast for

Hopland CA

Flood Watch until February 24, 10:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until February 24, 10:00pm

    NOW until 10:00pm Tue

    Flood Watch

  • Today

    High: 59 °F

    Rain

  • Tonight

    Tonight: Showers, mainly before 10pm. Patchy fog between 10pm and 1am. Low around 46. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: Cloudy, then gradually becoming mostly sunny, with a high near 66. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 66 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 43. Light and variable wind.

    Low: 43 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 70. Calm wind.

    High: 70 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 73.

    High: 73 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A slight chance of showers after 10pm. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 47.

    Low: 47 °F

    Slight Chance
    Showers and
    Patchy Fog

Detailed Forecast

Today
Rain. High near 59. South wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tonight
Showers, mainly before 10pm. Patchy fog between 10pm and 1am. Low around 46. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Cloudy, then gradually becoming mostly sunny, with a high near 66. Calm wind becoming west northwest around 6 mph in the afternoon.
Wednesday Night
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 43. Light and variable wind.
Thursday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 70. Calm wind.
Thursday Night
Mostly cloudy, with a low around 46. Calm wind.
Friday
Mostly cloudy, with a high near 73.
Friday Night
A slight chance of showers after 10pm. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 47.
Saturday
A chance of showers, mainly after 10am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 69.
Saturday Night
A chance of showers. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 46.
Sunday
A chance of showers. Patchy fog. Otherwise, partly sunny, with a high near 65.
Sunday Night
A slight chance of showers. Mostly cloudy, with a low around 42.
Monday
Mostly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hopland CA
 38.97°N 123.1°W (Elev. 577 ft)
Last Update:
1:10 am PST Feb 24, 2026
Forecast Valid:
8am PST Feb 24, 2026-6pm PST Mar 2, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation